New Jersey-based AllGood Entertainment Inc says it has signed a deal with Jackson's manager Frank DeLeo stating that he would not perform a show before July 2010, when he is contracted to perform a show in Texas along with his brothers and sister Janet.

However, Jackson's 50-date run in London, promoted by AEG Live, begins this July and AllGood are reportedly planning to sue the singer for breaching the terms of their deal.

Jackson's shows in the capital are all ...